The book on ‘Fisheries and Aquaculture in NE India: R & D Trends and Opportunities’ includes twenty chapters dealing with various aspects of fisheries and aquaculture, knowledge gained and opportunities for further research and development. This book gives exhaustive and updated information on fisheries resources, fish production and consumption, small indigenous fishes, present status of fisheries and aquaculture in Tripura and Manipur, ichthyofaunal diversity of Northeast India, ornamental fisheries resources, enclosure culture technologies (i.e., pen and cage aquaculture) for productivity enhancement of inland openwaters, prospects of species diversification in aquaculture, breeding and culture of important fish species (i.e., pengba Osteobrama belangeri, silver barb Barbonymus gonionotus and olive barb Systomus sarana), feeds and feeding strategies for pond and cage culture, integrated fish-pig-horticulture farming for income and livelihoods, common fish diseases and their management, economic loss due to aquatic animal diseases, value addition and marketing of fish products,toxicological research and its relevance to fisheries and aquaculture, biotechnology and biofloc technology for sustainable aquaculture.